SOLUTION: 1. The purchase department has analysed the number of orders placed by each of the five departments in the company by type for this financial year. Order type Sales Purchase Produ

Question 1188859: 1. The purchase department has analysed the number of orders placed by each of the five departments in the company by type for this financial year.
Order type Sales Purchase Production Account Maintenance
Consumables 10 12 4 8 4
Equipment 1 3 9 1 1
Special 0 0 4 1 2
An error has been found in one of these orders. What is the probability that the incorrect order
i. Was for consumables
ii. Was not for consumables
iii. Came from maintenance
iv. Came from production
v. Came from maintenance or production
vi. Came from neither maintenance nor production
vii. Was an equipment order from purchase

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Order type Sales Purchase Production Account Maintenance
Consumables-------- 10--- 12------- 4---------- 8------ 4=====38
Equipment------------1-----3------- 9------------1------1======15
Special ---------------0-----0-------4------------1------2======7
Total-----------------11-----15------17-----------10------7=====60
i. Consumables 38/60 (may be reduced or put in decimal form)
ii. Not consumables is 22/60, 1-(38/60)
iii.Maintenance is 7/60
iv. Production is 17/60
v.Maintenance or production is the sum or 24/60
vi Neither of the two is 1-0.4 or 0.6
vii. Purchase would be 15/60 or 1/4
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